Subversion Repositories s80186

#!/usr/bin/env python

#

# Copyright 2007 Neal Norwitz

# Portions Copyright 2007 Google Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#      http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""C++ keywords and helper utilities for determining keywords."""

__author__ = 'nnorwitz@google.com (Neal Norwitz)'

try:

    # Python 3.x

    import builtins

except ImportError:

    # Python 2.x

    import __builtin__ as builtins

if not hasattr(builtins, 'set'):

    # Nominal support for Python 2.3.

    from sets import Set as set

TYPES = set('bool char int long short double float void wchar_t unsigned signed'.split())

TYPE_MODIFIERS = set('auto register const inline extern static virtual volatile mutable'.split())

ACCESS = set('public protected private friend'.split())

CASTS = set('static_cast const_cast dynamic_cast reinterpret_cast'.split())

OTHERS = set('true false asm class namespace using explicit this operator sizeof'.split())

OTHER_TYPES = set('new delete typedef struct union enum typeid typename template'.split())

CONTROL = set('case switch default if else return goto'.split())

EXCEPTION = set('try catch throw'.split())

LOOP = set('while do for break continue'.split())

ALL = TYPES | TYPE_MODIFIERS | ACCESS | CASTS | OTHERS | OTHER_TYPES | CONTROL | EXCEPTION | LOOP

def IsKeyword(token):

    return token in ALL

def IsBuiltinType(token):

    if token in ('virtual', 'inline'):

        # These only apply to methods, they can't be types by themselves.

        return False

    return token in TYPES or token in TYPE_MODIFIERS